Improvement in earth-augers



w. w. JIL Z.

Earth-Auger.

N0 1 2, j25 I Paten-tedMay4, 1875.

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, WITNESSES INVENTUH.

41 PARK PLACE, N.Y.

UNITED STATES PATET FFIC.

WILLIAM W. JILZ, OF ST. LOUIS, MISSOURI.

IMPROVEMENT IN EARTH-AUGERS.

Specification forming part of Letters Patent No. 162,825, dated May 4,1875; application filed April 10, 1875.

To all whom it may concern:

Be it known that I, WILLIAM W. J ILZ, of the city and county of St.Louis, and State of Missouri, have invented new and useful Improvementsin Well-Augers, of which the following is a full, clear, and exactdescription, reference being had to the annexed drawing, making partofthis specification, where Figure l is a perspective of the auger, itsdoor being open; Fig. 2, a side elevation; and Fig. 3, a view of thebottom of the auger.

Like letters indicate like parts.

The present invention relates to improvements by means .whereof theearth can enter the auger more readily, and be prevented from cloggingtherein. It also .relates to an improvement in the door-hinges.

Referring to the accompanying drawing, A represents the form of angerwhich I preferably adopt, in connection with the present improvements,it being, in its general outline, cylindrical, and provided with aflattened side, B, an air-tube, O, a knife, D, door E, bottom F, andvalve Gr, all whichfeatures are more fully described in patentspreviously granted me. It represents the cutting-lip, which, preferably,is of the form shown. Upon its upper side is arranged a peculiarprojection, I. This projection, in cross-section, is triangular, itsforward face forming a continuous bevel to the cutting-lip, but Whoseupper or rear face is at right angles, or thereabout, to the bottomF,'thus forming an offset, over which the earth, after passing the lip,may fall. Above the projection I the bottom is perforated at J.

In Fig. 2 is shown the improved hinge K. That part thereof which is uponthe body of the auger is provided with a lug, k, which extends so as tocome over and upon the other part of the hinge when the door is closed.To enable the door to be opened it is arranged to have a verticalmovement sufficient to clear the lug 70. For this purpose the door issuitably cut away at e c.

In operation, the earth, after passing the projection I, falls down uponthe bottom below. This breaks up the earth, and prevents .its binding asit passes up into the cylinder.

Generally, in boring, water is encountered. By means of the perforationJ it can enter and lubricate the bottom at a point where the earth isapt to stick.

By using the form of hinge described,the need of a latch is obviated,and thus the number of projections on the outside of the cylinder isdiminished and the friction reduced.

Having described my invention, What I claim as new therein, and desireto secure by Letters Patent, is-

1. The auger A, bottom F, lip H, and projection I, combined andoperating substantially as described.

2. The auger A, bottom F, and perforation J, combined substantially asand for the purpose set forth 3. The combination of the auger A, bottomF, lip H, projection I, and perforation J, substantially as described.

4. The combination of the auger A and door E, provided with the hinges KK, constructed as described, with the lugs 70 is, substantially as andfor the purpose set forth.

7 WM. W. JILZ. Witnesses:

CHAS. D. MooDY, J. B. LEGG.

